CVE Vulnerability

CVE-2019-25034

** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210507-0007/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2021-04-27 06:15

Updated : 2021-12-03 08:13

NVD link : CVE-2019-25034

Mitre link : CVE-2019-25034

Products Affected

Nlnetlabs

Unbound

CWE
CWE-190